.hei-p100
  height: 100%
  box-sizing: border-box


.leading-none
  line-height: 1;
.leading-tight
  line-height: 1.25;
.leading-snug
  line-height: 1.375;
.leading-normal
  line-height: 1.5;
.leading-relaxed
  line-height: 1.625;
.leading-loose
  line-height: 2;